Author: ProHoster

We develop the world's most convenient* interface for viewing logs

If you have ever used web interfaces to view logs, then you probably noticed how cumbersome and (often) not very convenient and responsive these interfaces are, as a rule. Some you can get used to, some are downright terrible, but it seems to me that the reason for all the problems is that we are not approaching the task of viewing logs in the right way: we are trying to create a web […]

RIPE Atlas

Good day to all! I want to devote my debut article on habr to a very interesting topic - the RIPE Atlas Internet quality control system. Part of my field of interest is the study of the Internet or cyberspace (the term is rapidly gaining popularity, especially in scientific circles). There are plenty of materials on RIPE Atlas on the Internet, including on habr, but they […]

How to become a platform engineer or where to develop in the DevOps direction?

We talked about who and why in the near future will need the skills to create an infrastructure platform using Kubernetes, with the teacher Yuri Ignatov, Express 42 Lead Engineer. Where does the demand for platform engineers come from? Recently, more and more companies are realizing the need to create an internal infrastructure platform that would be a single environment for development, release preparation, […]

New Article: Amazfit T-Rex Fitness Watch Review: By Military Standards

The Amazfit brand belongs to a well-known Chinese manufacturer, Huami Technology, which, in addition to fitness bracelets and watches, produces sports headphones, smart scales, treadmills and other products for a healthy lifestyle. Since September 2015, Huami began using its own brand Amazfit to sell smart wearable products that target the mid- and high-end market. Amazfit products are officially supplied to Russia, [...]

A video message from the President of the United States about the failure of the lunar mission in 1969 has been published. It shows how deepfakes work

The Apollo 11 moon landing on July 20, 1969 was a landmark moment in space history. But what if the astronauts died during the flight to the moon, and US President Richard Nixon had to convey this tragic news to Americans on television? In a video published on a special website that looks frighteningly convincing, President Nixon […]

Russia passed a law on the regulation of cryptocurrencies: you can mine and trade, but you can’t pay with them

On July 22, the State Duma of Russia adopted in the final, third reading the law “On digital financial assets, digital currency and on amendments to certain legislative acts of the Russian Federation.” It took parliamentarians more than two years to discuss and finalize the bill with the involvement of experts, representatives of the Central Bank of the Russian Federation, the FSB and relevant ministries. This law defines the concepts of “digital currency” and “digital financial […]

A technique to discreetly distort photos to disrupt facial recognition systems

Researchers from the SAND Laboratory at the University of Chicago developed the Fawkes toolkit to implement a method for distorting photographs, preventing them from being used to train facial recognition and user identification systems. Pixel changes are made to the image, which are invisible when viewed by humans, but lead to the formation of incorrect models when used to train machine learning systems. The toolkit code is written in Python […]

Tuning PID controllers: is the devil as scary as he is painted? Part 1. Single-circuit system

This article opens a series of articles on automated ways to tune PID controllers in the Simulink environment. Today we will figure out how to work with the PID Tuner application. Introduction PID controllers can be considered as the most popular type of regulators used in industry in control systems of closed systems. And if engineers remember the structure and principle of operation of the controller from their student days, then its setting, i.e. calculation […]

Will providers continue to trade metadata: the US experience

We are talking about a law that partially revived the rules of net neutrality. / Unsplash / Markus Spiske What Maine said Authorities in Maine, USA, passed a law requiring ISPs to obtain explicit user consent for the transfer of metadata and personal data to third parties. First of all, we are talking about browsing history and geolocation. Providers were also banned from advertising services that […]

Analytic query performance testing in PostgreSQL, ClickHouse and clickhousedb_fdw (PostgreSQL)

In this study, I wanted to see what performance improvements can be obtained by using a ClickHouse data source rather than PostgreSQL. I know what performance benefits I get from using ClickHouse. Will these benefits be retained if I access ClickHouse from PostgreSQL using an external data wrapper (FDW)? The database environments being investigated are PostgreSQL v11, clickhousedb_fdw […]

The bulk of NVIDIA Ampere graphics cards will be content with traditional power connectors

Recently, quite official sources have spread information about the specifications of a new 12-pin auxiliary power connector capable of transmitting up to 600 watts. NVIDIA gaming video cards of the Ampere family should be equipped with such connectors. The company's partners are convinced that in most cases they will get by with a combination of old power connectors. The popular site Gamers Nexus conducted its investigation on this topic. He explains that NVIDIA […]